43) The spore of a fern belongs to the a)Sporophytic stageb)Both sporophytic and gametophytic stagesc)Diplophased)Gametophytic stage

44) Azolla/Marsilea is aa)Liverwortb)Mossc)Tree fernd)Water fern

46) If sperms of both Funaria and Pteris were released together
near the archegonia of Pteris, only its sperms enter the archegonia becausea)Pteris archegonia repel Funaria spermsb)Funaria sperms get killed by Pteris spermsc)Funaris sperms are less mobiled)Pteris archegonia releases a chemical to attract its sperms

47) The fern rhizome is aa)Rootb)Stemc)Rhizophored)Rhizoid

48) In Selaginella, the megasporophyll is comparable to which structure in
angiosperms?a)Stamenb)Leafc)Carpeld)Ovule

49) In ferns, fertilization does not involvea)A pollen tubeb)Archegoniac)Flagellate antherozoidsd)Water

90) In Spirogyra, out of four haploid nuclei formed during meiosis in zygosporea)One survivesb)Two survivec)Three survived)All the four survive

91) Agar-agar commonly used in bacterial cultures and medication is obtained
froma)Sargassumb)Gelidiumc)Ulothrixd)Ulva

92) The red colour of red algae is due toa)Carotenesb)Xanthophyllsc)Phycoerythrind)Phycocyanin

93) Cells of two different filaments are involved in conjugation of Spirogyra.
The type of sexual reproduction isa)Scalariform conjugationb)Indirect lateral conjugationc)Direct lateral conjugationd)Terminal conjugation

94) Algae are important. We should study them becausea)They are good experimental materialsb)They may become an important constituent of future food for human beingsc)They can be easily grown in water tanksd)They renew the oxygen of atmosphere and water

95) The number of flagella present in the gametes of Ulothrix isa)Fourb)Threec)Oned)Two

96) Pigments common to all algae area)Chlorophyll a and phycobilinsb)Chlorophyll a and carotenoidsc)Chlorophyll a and chlorophyll bd)Chlorophyll a and carotenoids

97) The replicate septum of Spirogyra possesses aa)Ring like outgrowthb)Peg like protuberancec)Perforationd)H-shaped piece

99) Chlorellin is obtained from the genusa)Chlamydomonasb)Chlorellac)Chondrusd)Batrachospermum

100) The accessory photosynthetic pigments of Algae area)Fucoxanthinb)Phycocyaninc)Phycoerythrind)All the above

AnswersAns 1) c

Ans 2) c

Ans 3) c

Ans 4) dCarrying of male gamates to the female gamete by a pollen tube is called
siphonogamy
Ans Desc 4)Carrying of male gamates to the female gamete by a pollen tube is called
siphonogamy

Ans 5) d

Ans 6) c

Ans 7) d

Ans 8) b

Ans 9) a

Ans 10) c

Ans 11) aHaploid spores formed in the sporangium of a fern plant develop as independent
haploid gametophyte
Ans Desc 11)Haploid spores formed in the sporangium of a fern plant develop as independent
haploid gametophyte